Wristwatch



FIG. 1 is a perspective view of the wristwatch.

FIG. 2 is a bottom view thereof.

FIG. 3 is a top view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines of the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a wristwatch, as shown and described. 